cfg_attr.rs

//@ run-pass
//@ compile-flags:--cfg set1 --cfg set2

#![allow(dead_code, unexpected_cfgs)]

use std::fmt::Debug;

struct NotDebugable;

#[cfg_attr(set1, derive(Debug))]
struct Set1;

#[cfg_attr(notset, derive(Debug))]
struct Notset(NotDebugable);

#[cfg_attr(not(notset), derive(Debug))]
struct NotNotset;

#[cfg_attr(not(set1), derive(Debug))]
struct NotSet1(NotDebugable);

#[cfg_attr(all(set1, set2), derive(Debug))]
struct AllSet1Set2;

#[cfg_attr(all(set1, notset), derive(Debug))]
struct AllSet1Notset(NotDebugable);

#[cfg_attr(any(set1, notset), derive(Debug))]
struct AnySet1Notset;

#[cfg_attr(any(notset, notset2), derive(Debug))]
struct AnyNotsetNotset2(NotDebugable);

#[cfg_attr(all(not(notset), any(set1, notset)), derive(Debug))]
struct Complex;

#[cfg_attr(any(notset, not(any(set1, notset))), derive(Debug))]
struct ComplexNot(NotDebugable);

#[cfg_attr(any(target_endian = "little", target_endian = "big"), derive(Debug))]
struct KeyValue;

fn is_show<T: Debug>() {}

fn main() {
    is_show::<Set1>();
    is_show::<NotNotset>();
    is_show::<AllSet1Set2>();
    is_show::<AnySet1Notset>();
    is_show::<Complex>();
    is_show::<KeyValue>();
}

// ferrocene-annotations: um_rustc_cfg